CHEMICAL FORMULA : C10H9O6NS2
MOLECULAR WEIGHT : 303
CAS NO. 117-62-4
Property:
| Item | Index |
| (1)Appearance | Off White Powder |
| (2)Purity | 60% Min (BY N.V.) |
| (3)Solubility | Soluble in Water |
| (4)Insolubles | 0.2 % Max |
| (5) Other Impurity | 1.0 % Max |
| (6) HPLC purity | 93% Min |
| (7) EINECS | 204-201-6 |
| (8) Moisture | 0.5% |
| (9) Ph | 5-8 |
SYNONYMS :
2-Amino-1,5-naphthalene disulfonic acid;2-Naphthylamine-1,5-disulfonic acid;AI3-52456;BRN 2888645;Kyselina 2-naftylamin-1,5-disulfonova;Kyselina sulfo-tobiasova;NSC 60279;Tobias acid, 5-sulfo-;
MAIN USE : Sulfo Tobias acid is an important intermediate product in the manufacture of dyes, especially reactive dyes.The method is to sulfonate 2-naphthylamine-1-sulfonic acid(Tobias acid) in fuming sulfuric acid (SO3 content:15-30%) at room temperature.
PACKING : 25 / 50 kgs. HDPE bag with inside liner, Jumbo bags with inside liner